Gas cut-off



(No Model.)

J. FARTHING.

@s4 MM UNITED STATES PATHNT JOHN FAHTHING, OF OHIOAGO, ILLINOIS.

GAS CUT-OFF.

SPECIFICATION forming part of Letters Patent No. 265,587, dated October 10, 1882.

Application filed August 21, 1882.

To all whom it may concern Be it known that I, JOHN FARTHING, residing at Chicago, in the county of Cool: and State of Illinois, and a citizen of the United States, have invented a new and useful Iznprovement in GasGut-Os, of which the following is a full description, reference being had to the accompanying drawings, in which- Figure l is a side elevation, some parts being shown iu section. Fig. 2 is an enlarged detail, being a front elevation ofthe parts shown. Fig. 3 is an enlarged detail.

lt is common to use a jet of hydrogen gas flowing upon a platina sponge to produce a tlame for lighting cigars.

The object Ot' my invention is to provide improved means for cutting Oftl and permitting the flow ot' gas, not only in the particular case mentioned, but in other places to which it may be applicable, and this I accomplish by means ot' a flexible tube, through which the gas Hows, combined with a weight and with one or more bars with which the tube comes in contact, the parts being so arranged that the action ofthe weight closes the tube and cuts ot't' the flow of gas, and when the weight is raised the gas can then tlow through the tube.

In the drawings, A represents a receptacle for gas. c isa tube secured to such receptacle.

b is a liexible tube, preferably of rubber, one end ot' which is secured to the tube a.

B is a metal tube, one end ot which is secured to the receptacle A. The outer end oi' this tube is provided with a head or enlargement, c.

d c are two bars or rods secured in the head c, and passing over the opening at the outer end ot' tube B. Ihe tlexibl'e tube b passesthrough the tube B, and, as shown, passes under the bar d, then up between the two bars d c, over the bar c, and thence downward, its Outer end being secured to a short tube,j',which may be of glass or other material.

g is a tube or collar fastened to the tube b.

It are two wires or rods connected permanently to the collar or tube g and carried downward in the form shown or in other suitable form. At the lower ends of these two rods is a weight, \V.

P is areceptacle secured to the wires h, in which receptacle is located a platina sponge. 'Ihe Operation is as follows: When the weight WV is free its action will of course have a tendency to pull the free end of the tube b down- (N'o model.)

| ward, which will draw the tube over the bars d e with sufficient force to close the tube, so that no gas can pass from the receptacle A beyond the bars d c. It the weight be raised sutiiciently to relieve the tube b from its aetion, this tube will then open at the bars d e, as shown in Fig. 3, and then the gas can again iiow. Byrelcasing the weight it will again be brought into action, and will close the tube, as-before stated. Thus I provide a very easy and efiicient cut-oft', and am able to permit or prevent the flow ot the gas by simply lifting and releasing the weight W.

Although I have shown my devices adapted to be used in connection with a cigar-lighter, I do Ilot limit myself to its use for this purpose, since in all cases where it is feasible to use a iiexible tube for conveying gas, one end ot' the tube being free, my improvement may be adapted.

I have shown and described two obstructing-points, d e,- but in some cases a single obstructing-point might be used, and the obstruction need not be technically a bar, but any suitable solid over which the tube passes and with which it comes in contact would be an equivalent for a bar. I prefer to use two bars or rods, as first described, for the reason that a lighter weight can be used than when there is only one obstruction, and the operation will also be more certain.

The iiexible tube and weight might be used, substantially as described, for the purpose ot' cutting ot'f the dow ot' someliquids, as well as that ot' gases, if desired.

The tube B is not a necessity, its principal office being to furnish a support for the bars d e. These bars might be supported in any other suitable manner, according to circumstances.

What I claim as new, and desire to secure by lLetters Patent, is as follows:

In combination with a receptacle, A, a Ilexible tube which passes over a bar or other suitable solid, and a weight connected with the free end ot' the tube,\vhereby the action ofthe weight will close the tube,and when the weight is lifted the tube will open, substantially as and for the purpose specited.

JOI-IN FARTHING.

Vitnesses:

A. H. ADAT/Is, O. W. BOND.

ICO 

